Home / 2,981,629,955.25-4,114,833,432.36-1,643,517,031.51

Finding the Fourth Proportional to 2,981,629,955.25, 4,114,833,432.36 and 1,643,517,031.51

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Solution

The fourth proportional to 2,981,629,955.25, 4,114,833,432.36 and 1,643,517,031.51 is: 2,268,154,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,629,955.25 : 4,114,833,432.36 = 1,643,517,031.51 : x
  2. Step 2: Convert to fraction form
    2,981,629,955.25/4,114,833,432.36 = 1,643,517,031.51/x
  3. Step 3: Cross multiply
    2,981,629,955.25x = 4,114,833,432.36 × 1,643,517,031.51
  4. Step 4: Simplify right side
    2,981,629,955.25x = 6,762,798,827,910,411,264
  5. Step 5: Solve for x
    x = 6,762,798,827,910,411,264/2,981,629,955.25
  6. Step 6: Final answer
    x = 2,268,154,978.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.